心绞痛发作时产生疼痛的直接原因是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='29029' and id < 2362983 and id<>'2362983' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='29029' and id > 2362983 and id<>'2362983' order by id asc limit 5